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A. Write skeleton equations

A. Write skeleton equations. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide Carbon Monoxide Gas reacts with oxygen gas to produce Carbon dioxide Solid potassium chlorate decomposes to produce solid potassium chloride and oxygen gas.

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A. Write skeleton equations

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  1. A. Write skeleton equations • Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide • Carbon Monoxide Gas reacts with oxygen gas to produce Carbon dioxide • Solid potassium chlorate decomposes to produce solid potassium chloride and oxygen gas

  2. B. Use the following equation to answer the questions 2NaOH + CaBr2 Ca(OH)2 + 2NaBr ? 30g 75g 60g • Identify the reactants • Identify the products • How many moles of NaBr are produced • How many grams of NaOH are used

  3. C. Identify the meaning of the symbol • (aq) •  • ∆ • .

  4. D. Balance the following • Fe + Cl2 FeCl3 • Pb(NO3)2 + KI  PbI2 + KNO3 • Ni + AuBr3 NiBr2 + Au • C12H22O11 + O2 CO2 + H2O

  5. E. Identify the type of reaction • Ti +2Cl2 TiCl4 • AgNO3 + LiI  AgI + LiNO3 • 2C2H2 + 5O2 4CO2 + 2HOH • Mg + Cr(NO3)3 Mg(NO3)2 + Cr • A + B  AB + Heat

  6. F. Predict the products • HCl  • NaOH + CuCl2 • H2SO4 + NaCN  • Al + I2 • Mg + Sn(NO3)4

  7. G. Turn the following into sentences • K(s) + ZnNO3(aq)  Zn + KNO3 (aq) • 3Li(s) + AuCl3 (aq)  3LiCl(aq) + Au(s) • Al2(CO3)3(s)  Al2O3(s) + 3CO2

  8. ANSWERS • H2 (g) + Br (g)  HBr (g) • CO (g) + O2 (g)  CO2 (g) • KClO3 (s) KCl (s) + O2 (g) • 2NaOH + CaBr2 • Ca(OH)2 ­+ 2NaBr • 2 • 105g • Aqueous (dissolved in water) • Yields or produces • Heat • Reversible reaction • 4,3,2 • 1,2,1,2 • 3,2,3,2 • 1,12,12,11 • synthesis • Double • combustion • single • (synthesis) exothermic • H + Cl2 • NaCl + Cu(OH)2 • HCN + Na2SO4 • AlI3 • Mg(NO3)2 + Sn

  9. Finely ground nickel (II) hydroxide is placed in a beaker of water. It sinks to the bottom of the beaker and remains unchanged. An aqueous solution of hydrochloric acid is then added to the beaker, and the Ni(OH) 2 disappears. Which of the following equations best describes what occurred in the beaker? A. Ni(OH)2(s) + HCl(aq)  NiO(aq) + H2 (g) +HCl(aq) B. Ni(OH)2(s) + 2H2O(l)  NiCl2 (aq) + 2H2O(l) C. Ni(OH)2(s) + 2H2O(l)  NiCl2 (aq) + 2H2O(l) D. Ni(OH)2(s) + 2H2O(l)  NiCl2(aq) + 3H2O(l) + O2(g)

  10. Which set of coefficients would balance the following equation? Mg + AlCl3 Al + MgCl2 • 2Mg + AlCl3 Al + 2MgCl2 • 3Mg + 2AlCl3 2Al + 3MgCl2 • Mg + 2AlCl3 2Al + MgCl2 • 3Mg + 4AlCl3 4Al + 3MgCl2

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